Harrow.



W. G. ONYON.

HARROW.

APPLICATION FILED JULY 17, 1911.

Patented Dec. 3, 1912.

2 SHEETS-SHBET 1.

FIE l W. C. UNYON.

HARROW.

V APPLICATION FILED JULY 17,1911. 1,046,009, Patented Dec. 3, 1912.

2 SHEETS-SHEET 2.

Swuemtoz WW [MW/126. 0125017.

COLUMBIA PLANOGRAPH cu., WASHINGTON. D. c.

WILLIAM 0. ON! ON, OF BYRON, MICHIGAN.

HAREOW.

Specification of Letters Patent.

Application filed July 17, 1911.

Patented Dec. 3, 1912.

Serial No. 638,990.

To all whom it may concern:

- Be it known that I, WILLIAM C. ONYON, a citizen of the United States,residing at Byron, in the county of Shiawassee, State of Michigan, haveinvented certain new and useful Improvements in Harrows; and I do herebydeclare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to make and use the same.

This invention relates to harrows, and has for its object to produce adevice of this character having spring teeth, the same being sopositioned as to allow flexible action of the barrow during itsoperation.

With these and other objects in view, the invention consists in theconstruction and novel combination of parts hereinafter fully described,illustrated in the accompanying drawings, and pointed out in the claimshereto appended; it being understood that various changes in the form,proportion, size and minor details of construction, within the scope ofthe claims, may be resorted to without departing from the spirit orsacrificing any of the advantages of the invention.

In the drawings :Figure l is a top plan view of a harrow. Fig. 2 is aside elevation of the same. Fig. 3 is a transverse sectional view online 3-3 of Fig. 1. Fig. a is a longitudinal sectional view on line H ofFig. 1. Fig. 5 is a perspective view of one of the teeth.

Referring to the drawings, the numeral 1 designates a series oftransversely arranged rods, the extreme outer ends of each rod beingthreaded for the reception of a clamping nut. The harrow teeth areformed from stout wire containing a certain amount of resiliency andconsists of shanks 2 having their outer ends formed with eyes 8, andtheir opposite ends bent so as to form coils at, said coils terminatingin downwardly and forwardly projecting points 5. The rods are passedthrough the eyes 3 of the teeth of the first set and through the eyesand coils t of each succeeding set of teeth, the eyes and coils of thesucceeding sets of teeth being arranged in juxtaposition and pivotallyconnected to the rods. Spacing sleeves 6 are provided and are arrangedupon the rods and between the coils and eyes of each tooth, therebyholding the teeth in proper spaced relation for engagement with thesoil, the coils 4 in effect, producing teeth having spring actuated soilengaging points, so that the same when coming in contact with anobstruction or obstructions will give sufficiently to clear the saidobstructions, but preventing breakage and at the same time allowing thepoints to return to their normal forwardly projected position.

From the foregoing description it will be seen that a harrow has beenproduced which is not only simple in construction, but is efiicient inoperation, and one in which the teeth are flexibly connected, therebyallowing the harrow to accommodate itself when being used upon rough oruneven soil, the same being readily folded when desired.

Pivotally connected to the front rod are a pair of book members 7, towhich traces or whiffletrees may be fastened when the harrow is in use.

What is claimed is 1. The combination in a harrow of a plurality oftransverse parallel spaced rods, a plurality of longitudinal rodsbetween adjacent transverse rods each of said longitudinal rods havingits forward end looped around the adjacent transverse rod and its rearend looped around the next transverse rod at the rear of the first namedtransverse rod and then extended downwardly, and teeth formed on thefree end of the downwardly extending portions of each of saidlongitudinal rods.

2. The combination in a harrow of a plurality of transverse parallelspaced rods, a plurality of longitudinal. rods between adj acenttransverse rods disposed in staggered relation to each other, each ofsaid longitudinal rods having its forward end looped around the adjacenttransverse rod and its rear end looped around the next transverse rod atthe rear of the first named transverse rod and then extended downwardly,and teeth formed on the free end of the downwardly extending portions ofeach of said longitudinal rods.

In testimony whereof, I afiix my signature, in presence of twowitnesses.

WILLIAM C. ONYON.

Witnesses:

S. C. PAToHnL, J. R. PATOHEL.

Gopics of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

